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- Publications
- Influence
Magnetoelectric Coupling Effects in Multiferroic Complex Oxide Composite Structures
- C. A. Vaz, J. Hoffman, C. Ahn, R. Ramesh
- Chemistry
- 7 September 2010
Oriented ferroelectric La‐Sr‐Co‐O/Pb‐La‐Zr‐Ti‐O/La‐Sr‐Co‐O heterostructures on [001] Pt/SiO2 Si substrates using a bismuth titanate template layer
- R. Ramesh, J. Lee, Timothy Sands, V. Keramidas, O. Auciello
- Materials Science
- 9 May 1994
We demonstrate the growth of c‐axis oriented La‐Sr‐Co‐O/Pb‐La‐Zr‐Ti‐O/La‐Sr‐Co‐O ferroelectric capacitor heterostructures on a highly [001] oriented Pt film which was grown on a thermally oxidized Si… Expand
Electric-field-induced magnetization reversal in a ferromagnet-multiferroic heterostructure.
- J. Heron, M. Trassin, +7 authors R. Ramesh
- Materials Science, Medicine
- Physical review letters
- 14 November 2011
A reversal of magnetization requiring only the application of an electric field can lead to low-power spintronic devices by eliminating conventional magnetic switching methods. Here we show a… Expand
Co-occurrence of superparamagnetism and anomalous hall effect in highly reduced cobalt-doped rutile TiO2-delta films.
- S. Shinde, S. B. Ogale, +6 authors T. Venkatesan
- Materials Science, Physics
- Physical review letters
- 1 March 2004
We report a detailed magnetic and structural analysis of highly reduced Co doped rutile TiO(2-delta) films displaying an anomalous Hall effect (AHE). The temperature and field dependence of… Expand
Synthesis and characterization of nickel ferrite magnetic nanoparticles
- P. Sivakumar, R. Ramesh, A. Ramanand, S. Ponnusamy, C. Muthamizhchelvan
- Materials Science
- 1 December 2011
Abstract Nickel ferrite (NiFe 2 O 4 ) nanoparticles are prepared by a polyvinyl alcohol (PVA) assisted sol–gel auto-combustion method. The structure, composition, morphology and magnetic properties… Expand
Leakage current mechanisms in lead-based thin-film ferroelectric capacitors
- B. Nagaraj, S. Aggarwal, T. K. Song, T. Sawhney, R. Ramesh
- Materials Science
- 15 June 1999
Current-voltage $(I\ensuremath{-}V)$ behaviors of ${\mathrm{P}\mathrm{b}(\mathrm{Z}\mathrm{r},\mathrm{}\mathrm{T}\mathrm{i})\mathrm{O}}_{3}$-based capacitors with… Expand
Multifunctional Oxide Heterostructures
- E. Tsymbal, E. Dagotto, C. Eom, R. Ramesh
- Chemistry
- 25 October 2012
PART I. FUNDAMENTALS PART II. OXIDE FILMS AND INTERFACES: GROWTH AND CHARACTERIZATION PART III. OXIDE FILMS AND INTERFACES: FUNCTIONAL PROPERTIES PART IV. APPLICATIONS
Full Electroresistance Modulation in a Mixed-Phase Metallic Alloy.
- Z. Q. Liu, L. Li, +11 authors R. Ramesh
- Materials Science, Medicine
- Physical review letters
- 3 March 2016
We report a giant, ∼22%, electroresistance modulation for a metallic alloy above room temperature. It is achieved by a small electric field of 2 kV/cm via piezoelectric strain-mediated… Expand
Application of a near coincidence site lattice theory to the orientations of YBa2Cu3O7−x grains on (001) MgO substrates
- D. Hwang, T. S. Ravi, +6 authors T. Venkatesan
- Physics
- 15 October 1990
Various orientations of YBa2Cu3O7−x grains in polycrystalline films prepared on (001)MgO substrates by in situ laser deposition were determined using electron diffraction. Eight different types of… Expand
Growth and structure of PbVO3 thin films
- L. Martin, Q. Zhan, +5 authors J. Kreisel
- Materials Science
- 6 February 2007
Multifunctional materials promise to provide the foundation for a new class of devices in which functional properties are coupled to one another. Examples include magnetoelectric materials in which… Expand